Mobile power pack having straight ribs



FIG. 1 is a perspective view of a mobile power pack having straight ribs showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left elevational view thereof;

FIG. 5 is a right elevational view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken line portion of the drawings is included to show unclaimed subject matter only and forms no part of the claimed design. 

CLAIM The ornamental design for a mobile power pack having straight ribs, as shown and described. 